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David Howlett

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  • King's Lynn, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valves for pressurized dispensing containers
    • Patent number 7,086,571
    • Issue date Aug 8, 2006
    • Bespak PLC
    • Richard John Warby
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Inhalation apparatus
    • Patent number 6,354,290
    • Issue date Mar 12, 2002
    • Bespak PLC
    • David Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation apparatus
    • Patent number 6,341,603
    • Issue date Jan 29, 2002
    • Bespak PLC
    • David John Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Relating to dispensing apparatus
    • Patent number 6,336,455
    • Issue date Jan 8, 2002
    • Bespak PLC
    • David Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pharmaceutical compositions and devices for their administration
    • Patent number 6,197,280
    • Issue date Mar 6, 2001
    • Bioglan Laboratories Limited
    • Michael Goodman
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation apparatus
    • Patent number 6,170,482
    • Issue date Jan 9, 2001
    • Bespak PLC
    • David Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalation apparatus
    • Patent number 6,082,355
    • Issue date Jul 4, 2000
    • Bespak plc
    • David John Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhaler for medicament
    • Patent number 6,062,214
    • Issue date May 16, 2000
    • Bespak plc
    • David Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Valves for dispensers
    • Patent number 5,938,085
    • Issue date Aug 17, 1999
    • Bespak PLC
    • Gary Conroy
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Controlled flow inhalers
    • Patent number 5,896,853
    • Issue date Apr 27, 1999
    • Bespak Plc
    • David Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Inhalers
    • Patent number 5,860,416
    • Issue date Jan 19, 1999
    • Bespak Plc
    • David Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dispensing apparatus for pressurized dispenser containers
    • Patent number 5,037,013
    • Issue date Aug 6, 1991
    • Bespak PLC
    • David J. Howlett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Dispensing apparatus for metered quantities of pressurised fluid
    • Patent number 4,896,832
    • Issue date Jan 30, 1990
    • Bespak PLC
    • David J. Howlett
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Collapsible chamber metering valve
    • Patent number 4,858,790
    • Issue date Aug 22, 1989
    • Bespak PLC
    • David J. Howlett
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Non throttling discharge pump assembly
    • Patent number 4,842,495
    • Issue date Jun 27, 1989
    • Bespak Plc
    • David J. Howlett
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...